Fill a glass with water above the rim. It forms a domed surface. Add a paper clip and watch it float, even though the paper clip is made of a metal that is denser than water. This is due to water's surface tension. Water has several very unique properties, like surface tension, cohesion, and adhesion because water A) is the universal solvent and can hold anything, even paper clips. B) is polar and every water molecule electrically attracts the neighboring water molecules. C) bonds like metals so water molecules forms crystal lattice structure when in a container. D) is polar and tends to attract metallic substances like the material that makes up the paper clip.

Answers

Answer 1

Answer:

Water has several very unique properties, like surface tension, cohesion, and adhesion because water (B) is polar and every water molecule electrically attracts the neighboring water molecules.

Explanation:

The surface tension is the ability of a liquid to resist an external force. In water, it is possible because of the cohesion between water molecules, which are polar. The attraction occurs between all neighbor atoms. Surface molecules have fewer neighbor atoms (they do not have neighbor molecules above them), then the attraction between surface molecules is higher than in the rest. 

For this reason, you can watch a paper clip floating in a glass filled with water is the paper clip is added carefully. However, if you agitate the water of force down the paper clip, it will sink because you broke the surface tension.  

Answer 2

Answer:

B) is polar and every water molecule electrically attracts the neighboring water molecules.

Explanation:


Related Questions

The scatterplot compares the price of gasoline (in dollars) and the number of hybrid cars sold (in thousands) in Georgia.

Based on the trend, predict the number of hybrid cars sold if the price of gas is $4.00 a gallon.
A) 8
B) 800
C) 8,000
D) 80,000

Answers

The answer is definitely C.
Yea the answer is C (FOR SURE)

This starfish had lost two of its arms. By what process could it regenerate them?

Answers

Starfish, actually not being fish but instead marine invertebrates, can amputate its own arms and reproduce is self asexually. The central discs are split into fragments through a process that is called fission, and which the regeneration process happens and genetically identical limbs are thereby reproduced.

Answer:

mitosis

Explanation:

The first dude is wring got me wrong on my first take :p

List the five characteristics of the salter-harris types of fractures

Answers

The types of fractures are categorized type 1-5.

1. Separation through the physis.
2. Fracture through portions of the physis
3. Fracture through a portion of the physis that extends through the epiphysis.
4. Fracture across the metaphysis
5. Crush injury to the physis.

The formation and release of hormones from a cell or structure is called what

Answers

The formation and release of a hormone from a cell or structure is called secretion.

What is treatment?

Treatment is the term which is defined as the way or manner by which somebody perform or deal with something or someone and it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease.

The main objective of treatment is to make patients healthy and happy as well as free from disease generally there are several types of treatments it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease and these are chemotherapy which is used to given to the patient of the cancer, radiation therapy, hormonal therapy as well as biological therapy.

Therefore,The formation and release of a hormone from a cell or structure is called secretion.

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A febrile 6-month-old with severe nasal congestion is unable to feed or sleep well. what suggestions should the nurse make to the parents to help relieve the infant's symptoms?

Answers

Use a cool mist humidifier in the room. The moist air will help relieve the nasal congestion. Also diffusing eucalyptus or peppermint essential oils will help or you can add the oils to a warm bath. The child needs to inhale them for them to be effective. The peppermint oil diluted with a carrier oil can also be rubbed on the feet and will help with the congestion and fever. Placing a cool ice pack on the back of the baby's neck will also help with fever. Saline spray is also very effective for relieving sinuses. Spray the baby's nose and then suction it.

What region contains holy sites for islam judaism and christianity?

Answers

All three of these major faiths have religious sites throughout Israel, with the greatest concentration in Jerusalem. 

Answer:

The answer is:

All 3 of these huge faiths have sites throughout Israel, with the greatest concentration in Jerusalem.

Explanation:

<3

In mendel’s garden peas, each cell in a pea plant has a total count of:

Answers

ten is your answer I think

Biomolecues are essential to all living things. Which biomolecule is "A" from the above table? A) lipid B) protein C) carbohydrate D) nucleic acid

Answers

The biomolecule represented by CHO is a carbohydrate.  (Option C)

What is Carbohydrates?

Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) in a ratio of 1:2:1, which corresponds to the general formula (CH₂O)n.

where;

n  is the number of carbon atoms.

So, in this case, biomolecule A (CHO) fits the general formula of carbohydrates and corresponding to option is (C) carbohydrate.

Carbohydrates have been defined as polyhydroxy aldehydes or ketones. They are water-soluble and reducing compounds.

Which of the following is true about an atom of gold and an atom of silver?

Both have the same mass.
They have different properties.
They have different sub-atomic particles.
Both have an equal number of sub-atomic particles.

Answers

Hello There!

The correct answer is C. They have different dub atomic particles.

Hope This Helps You!
Good Luck :)

why is photosynthesis important for ecosystems everywhere

Answers

Photosynthesis is necessary for providing energy for an ecosystem. Plants produce energy by the sun. This allows animals to eat the plants, getting its energy. Then predators can eat those animals. When all of these organisms die, then decomposers eat the decaying matter.

______ is a kind of mri adapted for better imaging of myelinated fibers, specifically for white matter.

Answers

The specific concept that revolves around the enhancement of imagery for various aspects of the MRI in taking data from the body in regards to muscle and tissue, it is referred to as the Diffusion Tensor Imaging, which allows for a more comprehensive understanding of the section being graphed.

Menstrual cramps are experienced with the onset of the menses because of strong contractions of the ____ layer of the uterus.​

Answers

the Answer is " the middle muscular layer".
The middle muscular layer of the uterus is also known as myometrium.
There are three layers of the uterus;
1) the outer layer known as perimetrium
2) the middle layer that is myometrium
3) the inner layer which is known as endometrium.
The middle layer is responsible for the uterine contraction and as a result, one have menstrual cramps.

Menstrual cramps are due to the contractions of the myometrium layer of the uterus, a thick layer of smooth muscle that also plays a critical role during labor.

Menstrual cramps are experienced with the onset of the menses because of strong contractions of the myometrium layer of the uterus. The myometrium is a thick layer of smooth muscle and is responsible for uterine contractions. This muscle layer has fibers that run horizontally, vertically, and diagonally, allowing the uterus to contract powerfully during labor and also to cause the less powerful contractions, or menstrual cramps, which help to expel menstrual blood. Additionally, the endometrium is the innermost layer and sheds during menstruation. The uterine contractions that occur near the time of ovulation facilitate the transport of sperm through the female reproductive tract.

Which microscope is used to observe viruses and the internal structure of thinly sectioned cells?

Answers

phase contrast microscope 

What are the working conditions? inside/outside? office/plant/lab? forensic engineer?

Answers

Final answer:

Forensic engineers typically work inside secure labs, like the DNA extraction room at U.S. Army Criminal Investigation Laboratory, doing technical analysis. They must be comfortable with routine work and might work alone or collaborate with teams. The environment usually requires secure entry and specialized tools for detailed evidence analysis.

Explanation:

Working Conditions for a Forensic Engineer

Forensic engineers play a critical role in criminal investigations, especially when it comes to analyzing physical evidence. They often work inside secured laboratories, such as a DNA extraction room at the U.S. Army Criminal Investigation Laboratory. The work differs depending on the specialty, but many forensic engineers spend a significant portion of their day in a lab setting, performing technical analysis and conducting experiments. 

The job entails a combination of technical skills and meticulous methods. Forensic engineers must be comfortable with routine work, as they may perform the same type of analysis multiple times to ensure accuracy. They usually work with various tools and equipment specific to their field of expertise. 

Workplaces are often not open to the public due to the sensitive nature of criminal investigations and thus require secure entry. In terms of social interactions, while some engineers may work alone, others may be part of teams, collaborating with law enforcement and legal professionals. An assessment of one's preferences for social interaction, routine, and workspace environment is crucial before deciding to pursue a career in forensic engineering.

The correct order of the structures of the motor neuron is:

Answers

Below is the correct order:

dendrites, the cell body, axon, terminal branches of the axon.


It is a neuron whose body is situated in the spinal string and whose fiber extends outside the spinal string to specifically or in a roundabout way control effector organs, essentially muscles, and glands.Motor neurons axons are efferent nerve filaments that convey signals from the spinal line to the effectors to create impacts
Final answer:

The correct order of the structures of a motor neuron is dendrites, cell body, axon, myelin sheath, neurilemma, and axon terminal.

Explanation:

The correct order of the structures of a motor neuron is as follows:

Dendrites: Short, divided processes that enter the cell bodyCell body: Contains a central nucleus and Nissl bodies in the cytoplasmAxon: Long process that leaves the cell body and transmits impulses away from the cell bodyMyelin sheath: Whitish fatty layer surrounding the axon, interrupted at intervals by nodes of RanvierNeurilemma: Cellular layer outside the myelin sheathAxon terminal: End of the axon where it forms synapses with other neurons or muscles

After a habituation period if infants do not recognize the previously presented object they will

Answers

After a habituation period if infants do not recognize the previously presented object they will show no difference in looking at the two objects. This is due tot he fact that the infant will begin to associate it's necessities with the currently presented object, as their brains are developing. 

Francesco Redi disproved the idea of spontaneous generation through an experiment involving _____.

mud and frogs
water and plants
meat and flies

Answers

The answer to this is meat and flies your welcome c:

What is the reaction of the body and mind to disturbing events

Answers

Behaviour reactions are: palpitations, trembling or sweating, easily startled by noises, breathing difficulties, headaches or muscle aches, digestive problems such as nausea, constipation, diarrhoea or a change in eating patterns, tiredness, fatigue, restlessness, increased irritability
increased use of alcohol and/or drugs
withdrawal or detachment from others, loss of interest in social activities, lack of motivation, avoidance of certain places or situations that are reminders of the experience & sleep problems.

Thoughts: Flashbacks or re-experiencing the disturbing event while awake, or in dreams, pre-occupation with what happened, repetitive thoughts, asking 'why?', confused or slowed thinking difficulty concentrating or making decisions
experiencing memory problems, feeling responsible.

Emotions: increased anxiety, panic attacks
troubled or distressed when exposed to other disturbing events e.g. on television or in the newspaper, worry about others
feelings of abandonment, isolation, powerlessness, feeling out of control or that life and the world are out of control
numbness and/or mood swings, may experience a variety of emotions, including depression, sadness, guilt, blame, anger, frustration fear, and irritability.
Final answer:

The body's response to stress involves a fight-or-flight response coordinated by the sympathetic nervous system and the HPA axis. Stress can be triggered by traumatic or significant life-changing events. Long-term stress can lead to serious health conditions like heart disease due to our body's limitations in adapting to chronic stressors.

Explanation:

The reaction of the body and mind to disturbing or stressful events is a complex physiological and psychological process. During stress, the body's primary response is the fight-or-flight response, which involves coordinated activities of the sympathetic nervous system and the hypothalamic-pituitary-adrenal (HPA) axis. This response was first identified by Walter Cannon in the early 20th century.

Endocrinologist Hans Selye referred to these physiological reactions to stress as part of the general adaptation syndrome, which has three stages: alarm reaction, resistance, and exhaustion.

Stressors can be long-term (chronic) or short-term (acute), and can range from traumatic events like natural disasters or military combat to major life changes like divorce, or moving homes. The response to such stressors can cause a variety of mental and physical symptoms, including increase in heart rate, dry mouth, and if serious enough, may manifest as post-traumatic stress disorder (PTSD).

We also adapt to changing emotional circumstances over time, akin to sensory adaptation, and we gradually revert to our original baseline happiness levels after significant events. Lastly, chronic stress over extended periods can lead to health consequences like heart disease due to the limitations of our body's ability to adapt to long-term stressors.

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At about the eight-cell stage, cells begin to specialize in a process called:

Answers

Cell differentiation is what the process is called.

Hope this helps!
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Which usually happens to the host's DNA during the lyric cycle?

It is destroyed.

It is integrated with the viral DNA.

It becomes a previous.

It is spliced with a viral DNA.

Answers

The host cell  During a lytic cycle the host's DNA becomes integrated with the viral DNA. Lytic cycle is one type of viral reproduction. For this type, the virus replicates using the host's DNA machinery.

Bill the explorer was hiking through the Brazilian rainforest when he came upon a strange, new organism which had yet to be classified. It was small, with a mass of only 10 grams. Bill noticed the organism was covered in feathers. After further investigation, Bill discovered that although it did not fly, it had hollow bones. How should Bill best classify this organism? A) amphibian B) bird C) mammal D) reptile

Answers

The answer is B.bird

Bill, the explorer was hiking through the Brazilian rainforest when he came upon a strange, new organism which had yet to be classified can be classified as a bird. Thus, the correct option is B.


What are the characteristics of birds?

Birds are a large group of warm-blooded vertebrates which are constituting the class Aves, which is characterized by the feathers, toothless beaked jaws, the laying of the hard-shelled eggs, a high metabolic rate of the organism, a four-chambered heart, and a strong yet lightweight skeletal system.

Bill, the explorer was hiking and through this he came upon a strange organism which has characteristics such as small, with a mass of only 10 grams, covered in the feathers, it did not fly, and it had hollow bones. All of these characteristics can be used to classify the organism as bird.

Therefore, the correct option is B.

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What molecule forms the cell membrane?

a. proteins
b. carbohydrates
c. nucleic acids
d. phospholipids

Answers

d.phospholipids...........

When working with laboratory animals, when can painful stimuli be used?

Answers

When the benefits of causing those painful stimuli are greater the the costs that come from them.
It is usually taken into account for laboratory use of animals in research or testing the principles of the Three Rs: replacement, refinement, and reduction. 

which is the most likely response of a human to an increase in temperature?
A.increasing the amount of perspiration
B.increasing waste elimination from the bladder
C.a reduction of desire for liquids
D.a contraction in blood vessels in the skin

Answers

A; increasing the amount of perspiration

When your body heats up, it needs to get riding some of that extra heat. When your body sweats and the sweat evaporates, it cools you down.

Answer:

Answer A

Explanation:

Name five landforms from the Quaternary period.

Answers

Deep alpine valleys formed by glacial erosion. Deep Fjords, formed by valley glacier movement. Creation of the Great Lakes and Finger Lakes via glacial erosion and deposited water. Moraines, large deposits created from till, debris and sediments being deposited by glaciers. Eskers, extremely tall ridges with very steeps sides created by sediment deposited in glacial tunnels during melting phases, then compressed into stone. Drumlins, streamlined hills formed from glacial till,

What do all of these bacteria have in common? bacteria in the rumen of cattle and sheep bacteria in a sewage treatment plant bacteria growing in the middle ear in chronic otitis media bacteria growing on the teeth in dental plaque?

Answers

The bacteria are more than likely growing in biofilms. Hope this is correct:)

What things in nature are similar to the egg drop experiment?

Answers

Bird and egg drop experiment are similar in nature. When the birds fly and have wings they slow down when they are landing. Relating to human activities, egg drop is also like skydiving. The parachute is blocking the air and it slows down when dropping.

The egg drop experiment assists the students to discover the fundamental concepts like forces, gravity, and acceleration. In an egg drop experiment, the particular rules and illustrations may vary. The usual concept is to have students develop a container, which will permit an egg to safely fall from different heights without breaking.  

Something identical to egg drop in nature would be birds. The birds fly and exhibit wings to slow down the drop at the time of their landing. The humans do skydiving, which is similar to the egg drop, that is, the parachute is obstructing the air, and it is thus slowing down the drop.  


The _____ is the main link between the nervous system and the endocrine system.

Answers

the hypothalamusis the main link between the nervous system and the endocrine system

Brainiest answer pretty please!!



Cell Theory Quiz ↓↓↓

In your own words explain the following tenet of cell theory:

The cell is the most basic unit of life.


Answers

Everything that creates life is made up of cells.

Hope this helps!

The cell is the most basic unit of life because it is the smallest structural and functional entity capable of independent existence. This tenet of cell theory acknowledges that all living organisms are composed of one or more cells, and it is at the cellular level that the fundamental processes of life occur. Cells are capable of performing all the necessary activities of life, such as metabolism, growth, reproduction, and response to the environment. While cells can form tissues, organs, and systems within multicellular organisms, each cell carries out its own life processes. Unicellular organisms, like bacteria, consist of a single cell that performs all the functions necessary for life. Thus, the cell is recognized as the fundamental unit of structure, function, and organization in living things.

 

To understand why the cell is considered the most basic unit of life, we need to delve into the characteristics and functions of cells:

 1. Structural Composition: Cells are the building blocks of all living organisms. In multicellular organisms, cells differentiate and come together to form tissues, tissues form organs, and organs form organ systems. In unicellular organisms, a single cell performs all the functions required for life.

2. Independent Existence: Each cell is capable of carrying out the basic functions of life, such as nutrition (taking in and processing energy), excretion (removing waste), respiration (exchanging gases), growth, and reproduction. This independence is evident in single-celled organisms, which can survive and reproduce on their own.

 3. Metabolism: Cells convert nutrients into energy through metabolic processes. These processes are essential for maintaining life and are carried out within the cell.

 4. Growth and Reproduction: Cells grow and divide through processes like mitosis and meiosis. In multicellular organisms, growth occurs through cell division, and in unicellular organisms, reproduction occurs through cell division.

 5. Response to Stimuli: Cells can respond to changes in their environment. This ability to sense and react to stimuli is a fundamental characteristic of life.

 6. Genetic Information: Cells contain DNA, the genetic material that carries the instructions for all cellular activities and the hereditary information passed from one generation of cells to the next.

 7. Specialized Functions: In multicellular organisms, cells can become specialized to perform specific functions, such as nerve cells conducting electrical impulses or muscle cells contracting.

In summary, the cell is the most basic unit of life because it embodies all the properties and functions that define living organisms. It is the smallest unit capable of sustaining life, and all life forms are built from cells. This fundamental principle of biology underpins our understanding of life's processes and the diversity of life on Earth."

The activity that puts the most continuous pressure on the lumbar region of your lower back is:

Answers

The highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.There is one more condition when maximum pressure can be felt and that is leaning in forward position with a heavy weight.To avoid this one should not hold weight in this position.In this case the weight should be hold closer to the body to reduce the pressure on the disc and spine.





A sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.

Generally, the highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.

However, not holding weight in the sitting position helps to prevent continuous pressure on the lumbar region of your lower back.

In conclusion, the sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.

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